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One of the reasons I bought a 2068 was to use the advanced video modes described in appendix C of the basic manual. I was disappointed when l found it impossible to access these modes using only BASIC. After learning machine code I was able to use the Dual Screen Mode in my BASIC programs. The following listing uses the 2 screens to do simple straight line animation to demonstrate this mode. You will have to do a little programming to change the pictures that will be drawn, but that should present no problem for most readers.